Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
03/2012
03/01/2012US20120049621 Battery management apparatus
02/2012
02/29/2012EP2229718B1 Power adapter
02/29/2012CN202153658U 双电源自动转换系统 Dual Power Automatic Transfer System
02/29/2012CN202153414U Bus stop board with solar supply display
02/29/2012CN202152715U Air kinetic field power-generating system used in running process of vehicle
02/29/2012CN102364815A Intelligent uninterruptible power supply system based on complementation of light, storage battery and commercial power
02/29/2012CN102364814A Active PFC (Power Factor Controller) control method of direct-current frequency-conversion air conditioner
02/29/2012CN101552543B Multi-path input alternating/direct current hybrid power supply
02/28/2012US8125753 Brownout ride-through system and method
02/28/2012US8125102 Methods and systems for distributing load transfers in power supply systems
02/23/2012WO2012024182A1 Modular backup power management
02/23/2012US20120043816 Submodule for a multi-stage power converter having additional energy storage device
02/22/2012EP2421120A2 Voltage monitor of an electric supply with bus connection
02/22/2012EP2421119A2 Uninterruptible power supply system and power management method thereof suitable for audio visual apparatus
02/22/2012EP2421118A1 Uninterruptible power supply system
02/22/2012CN202150742U 10 kV electrical network state monitoring and fault processing automation system
02/22/2012CN202150736U Main and standby power source control module adaptive to wide temperature range
02/22/2012CN202150735U 转换开关的控制器 Switch controller
02/22/2012CN202150734U 一种电源转换开关的控制器 A power switch of the controller
02/22/2012CN202150733U 交通指挥灯交、直流供电自动切换系统 Traffic lights AC and DC power supply automatic switching system
02/22/2012CN202150732U 电源模块切换装置 Power module switching device
02/22/2012CN202150731U 一种具有冗余功能的cpci接口电源板 Having a redundant power supply board interface functions cpci
02/22/2012CN202150730U 一种不间断电源专用脚轮机构 One kind of uninterruptible power supply castor agency
02/22/2012CN202150711U 家用电器用不间断电源系统 Household appliances, uninterruptible power systems
02/22/2012CN202150641U 一种共用交流配电屏及监控装置的一体化屏 One co-AC power distribution panel and integrated monitoring device screen
02/22/2012CN102362407A System and method for estimating an efficiency of a power device
02/22/2012CN102362260A System and method for configuring a power device
02/22/2012CN102361345A Seamless switching control method for uninterrupted power supply of fuel cell
02/22/2012CN102361344A Three-component realization apparatus of train power supply device of train DC600V and realization method thereof
02/22/2012CN102361343A New energy continuous power supply system
02/22/2012CN101737697B 一种用于地铁车厢的应急灯 A subway car's emergency lights
02/21/2012US8120312 Power management topologies to control power between a DC power source and one or more batteries to a system load
02/16/2012WO2012021759A2 Parallel redundant power distribution
02/16/2012WO2012021391A1 Non-charging battery backup unit (bbu)
02/16/2012WO2011163103A3 Hierarchical power smoothing
02/16/2012WO2011153063A3 Power distribution system having priority load control
02/16/2012US20120038213 Non-charging battery backup unit (bbu)
02/16/2012CA2807996A1 Parallel redundant power distribution
02/15/2012EP2418754A2 Power-fluctuation reducing apparatus for power generation system
02/15/2012EP2417688A2 Compact electric charger, in particular for a mobile telephone
02/15/2012CN202145585U 移动式直流电源 Mobile DC Power
02/15/2012CN202144415U 一种电梯供电装置 An elevator power supply unit
02/15/2012CN102356533A Uninterruptible power supply device
02/15/2012CN102356532A System and method for limiting losses in an uninterruptible power supply
02/15/2012CN102355781A Solar intelligent control system
02/15/2012CN102355050A Intelligent switching device of electric network
02/15/2012CN102355049A Large power variable-frequency power supply device with adjustable output voltage ultra-wide range
02/15/2012CN102355048A Intelligent dual-power automatic transfer switch and running method
02/15/2012CN102355047A Alternating current (AC)-direct current (DC) hybrid power supply of server
02/15/2012CN102355046A Voltage detection and power failure protection device and implementation method
02/15/2012CN102355045A Power supply method, power supply controller and power supply system
02/15/2012CN102355044A Dual-redundancy aircraft power supply and power supply mode thereof
02/15/2012CN102355043A Multiple variable-frequency power supply combined power device with redundancy design
02/15/2012CN102355042A Super-capacitor-based direct current power device of power station and power supply method thereof
02/15/2012CN102354437A In-vehicle emergency call apparatus
02/15/2012CN102352697A Wind/solar hybrid stereoscopic garage system
02/15/2012CN101915206B 风力发电机的变桨控制单元及其装置 Wind turbine pitch control unit and its equipment
02/14/2012US8115339 Isolation control high speed transfer switch for uninterruptible power supply, power supply system using the switch and isolation control high speed transfer switching method
02/14/2012US8115338 Emergency power unit
02/09/2012WO2012016492A1 Power supply module and power supply system
02/09/2012WO2011156044A4 Phase-controlled power supply
02/09/2012US20120032516 Uninterruptible power supply system and power management method thereof suitable for audio visual apparatus
02/09/2012US20120032513 Battery management circuit, battery module and battery management method
02/09/2012US20120032507 Electric power system
02/08/2012CN202142908U 矿用双电源局扇集成控制电路 Mine local fan with dual power integrated control circuit
02/08/2012CN202142907U Ups连接电路及ups系统 Ups and ups connection circuit system
02/08/2012CN202142906U 矿用控制电压等级自动切换模块 Mine automatic switching module control voltage rating
02/08/2012CN202142905U 一种闭锁电源备自投误投的逻辑装置 A self-locking power standby logic means mistakenly cast vote
02/08/2012CN202142904U Solar energy lamp stand-by power supply automatic switching device
02/08/2012CN202142903U 具有监视及报警功能的过渡电源箱 A monitoring and alarm functions of the transitional power box
02/08/2012CN202142876U Controller for solar charging and discharging system
02/08/2012CN202142875U 在线互动式直流转直流长效型备援电力系统 Online interactive DC to DC backup power system long-acting
02/08/2012CN202140953U 风光互补楼道照明系统 Wind corridor lighting system
02/08/2012CN102349226A Supply circuit for supplying a switch circuit
02/08/2012CN102347633A Power supply module and power supply system
02/08/2012CN102347632A Power supply switching apparatus and switching method thereof
02/08/2012CN102347620A Micro grid control method
02/08/2012CN102347610A Electrical power supply system for an aircraft
02/08/2012CN102345825A Solar color separation landscape street lamp
02/08/2012CN101674025B 一种市电和电池双路供电的多路输出辅助开关电源 One kind of dual mains and battery-powered multi-output switching power supplies auxiliary
02/08/2012CN101563830B 电流传感器装置和用于不间断电源的方法 Current sensor device and a method for uninterruptible power supply
02/07/2012US8110947 Uninterruptible power supply watchdog system and auto recovery method using the system
02/07/2012US8110946 Uninterruptible power supply
02/02/2012WO2012015160A1 Method for distributing power without interruption using power line shifting device and bypass cable
02/02/2012WO2012014410A1 Secondary-battery control device
02/02/2012WO2012014273A1 Information processing system, uninterruptible power-supply system, and process allocation control system
02/02/2012WO2012014049A1 Uninterruptible power supply apparatus and methods using reconfigurable energy storage networks
02/02/2012WO2011117293A3 Pitch drive device capable of emergency operation for a wind or water power plant
02/02/2012US20120025616 Dc power system having a power architecture for optimizing efficiency and a system controller of the system
02/02/2012US20120025614 Uninterruptible Power Supply Apparatus and Methods Using Reconfigurable Energy Storage Networks
02/02/2012US20120025613 Electric power supply device
02/02/2012US20120025607 Power supply system for mounting to a rail
02/01/2012EP2412071A2 System and method for estimating an efficiency of a power device
02/01/2012EP2411909A1 System and method for configuring a power device
02/01/2012CN202134960U Power supply acquiring and controlling device
02/01/2012CN202134956U 双电源自动转换开关的控制器 Dual power automatic transfer switch controller
02/01/2012CN202134955U 远程抄表终端供电电路 Remote meter reading terminal power supply circuit
02/01/2012CN202134954U 高压多电源切换组合电器 High pressure multi-combination of electrical power switching
02/01/2012CN202134953U 电源切换电路 Power switching circuit
02/01/2012CN202134952U 辅助电源的放电装置 Auxiliary power discharge device
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